Home / 1,331,421.60-1,995,771.60-656,464.80

Finding the Fourth Proportional to 1,331,421.60, 1,995,771.60 and 656,464.80

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Solution

The fourth proportional to 1,331,421.60, 1,995,771.60 and 656,464.80 is: 984,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,421.60 : 1,995,771.60 = 656,464.80 : x
  2. Step 2: Convert to fraction form
    1,331,421.60/1,995,771.60 = 656,464.80/x
  3. Step 3: Cross multiply
    1,331,421.60x = 1,995,771.60 × 656,464.80
  4. Step 4: Simplify right side
    1,331,421.60x = 1,310,153,804,239.68
  5. Step 5: Solve for x
    x = 1,310,153,804,239.68/1,331,421.60
  6. Step 6: Final answer
    x = 984,026.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.